Browse Prior Art Database

Cabletron's SecureFast VLAN Operational Model (RFC2643)

IP.com Disclosure Number: IPCOM000003231D
Original Publication Date: 1999-Aug-01
Included in the Prior Art Database: 2019-Feb-11
Document File: 60 page(s) / 67K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

D. Ruffen: AUTHOR [+2]

Related Documents

10.17487/RFC2643: DOI

Abstract

Cabletron's SecureFast VLAN (SFVLAN) product implements a distributed connection-oriented switching protocol that provides fast forwarding of data packets at the MAC layer. The product uses the concept of virtual LANs (VLANs) to determine the validity of call connection requests and to scope the broadcast of certain flooded messages. This memo provides information for the Internet community.

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 3% of the total text.

Network Working Group D. Ruffen Request for Comments: 2643 T. Len Category: Informational J. Yanacek Cabletron Systems Incorporated August 1999

Cabletron’s SecureFast VLAN Operational Model Version 1.8

Status of this Memo

This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (1999). All Rights Reserved.

Abstract

Cabletron’s SecureFast VLAN (SFVLAN) product implements a distributed connection-oriented switching protocol that provides fast forwarding of data packets at the MAC layer. The product uses the concept of virtual LANs (VLANs) to determine the validity of call connection requests and to scope the broadcast of certain flooded messages.

Table of Contents

1. Introduction............................................. 3 1.1 Data Conventions..................................... 3 1.2 Definitions of Commonly Used Terms................... 4 2. SFVLAN Overview.......................................... 6 2.1 Features............................................. 7 2.2 VLAN Principles...................................... 8 2.2.1 Default, Base and Inherited VLANs.............. 8 2.2.2 VLAN Configuration Modes....................... 8 2.2.2.1 Endstations............................ 8 2.2.2.2 Ports.................................. 9 2.2.2.3 Order of Precedence.................... 9 2.2.3 Ports with Multiple VLAN Membership............ 10 2.3 Tag/Length/Value Method of Addressing................ 10 2.4 Architectural Overview............................... 11 3. Base Services............................................ 13 4. Call Processing.......................................... 14 4.1 Directory Service Center............................. 14 4.1.1 Local Add Server............................... 15

Ruffen, et al. Informational [Page 1]

RFC 2643 Cabletron’s SecureFast VLAN Operational Model August 1999

4.1.2 Inverse Resolve Server......................... 15 4.1.3 Local Delete Server............................ 18 4.2 Topology Service Center.............................. 18 4.2.1 Neighbor Discovery Server...................... 18 4.2.2 Spanning Tree Server........................... 18 4.2.2.1 Creating and Maintaining the Spanning Tree........... 19 4.2.2.2 Remote Blocking........................ 19 4.2.3 Link State Server.............................. 20 4.3 Resolve Service Center............................... 21 4.3.1 Table Server................................... 22 4.3.2 Local Server................................... 22 4.3.3 Subnet Server.................................. 22 4.3.4 Interswitch Resolve Server..................... 22 4.3.5 Unresolvable Server............................ 23 4.3.6 Block Server................................... 23 4.4 Policy Service Center................................ 24 4.4.1 Unicast Rules Server........................... 24 4.5 Connect Service Center.............

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